SUREFIRE Sonic Defender EP4 45 this AR15/M16 drop-in design features

this AR15/M16 drop-in design features a hard-polymer bottom edge to reduce the possibility of equipment snags or grip damage

·        Textured gripping surface and flared floorplate for positive magazine handling and easy disassembly

Carbon Steel / Black Oxide

With the modern battlefield in mind

SUREFIRE Sonic Defender EP4 45 this AR15/M16 drop-in design featuresEP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their triple flanged stem design fits larger ear canals and provides a Noise Reduction Rating (NRR) of 24dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are reduced via a proprietary design that incorporates a special noise reducing filter. EP4s include